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Hazardous Weather Conditions
Current conditions at
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.
Clear
88°F
31°C
| Humidity | 29% |
| Wind Speed | SSW 4 MPH |
| Barometer | 29.85 in (1010.84 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 04 Oct 03:05 PM PDT |
Extended Forecast for
Yountville CA
Heat Advisory October 4, 03:42pm until October 7, 10:00pm
NOW until 10:00pm Wed

Heat Advisory
Tonight

Low: 64 °F
Clear
Monday

High: 99 °F
Hot
Monday Night

Low: 65 °F
Mostly Clear
Tuesday

High: 99 °F
Hot
Tuesday Night

Low: 62 °F
Mostly Clear
Wednesday

High: 97 °F
Hot
Wednesday Night

Low: 58 °F
Mostly Clear
Thursday

High: 94 °F
Sunny
Detailed Forecast
Tonight
Mostly cloudy during the early evening, then becoming clear, with a low around 64. Calm wind.
Monday
Sunny and hot, with a high near 99. Calm wind.
Monday Night
Mostly clear, with a low around 65. Calm wind.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 62. Light west northwest wind.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Yountville CA
38.39°N 122.37°W (Elev. 558 ft)
38.39°N 122.37°W (Elev. 558 ft)
1:26 pm PDT Oct 4, 2026
3pm PDT Oct 4, 2026-6pm PDT Oct 11, 2026



